> Am 19.11.2019 um 13:39 schrieb Vineet Banga <vineetba...@google.com>:
> 
> Let me restate my original question. I agree with the usage of state for CSRF 
> protection, but it can also be used to capture the application state (as 
> specified in: [I-D.bradley-oauth-jwt-encoded-state]). I am asking if there is 
> any recommendation between using state for both csrf and application state 
> Vs. relying completely on redirect URIs to maintain application state.
> 
> As an OAuth provider, I lean towards avoiding long and dynamic list of 
> redirect URIs. But I do understand that using state for both CSRF protection 
> and application state adds burden on clients/app developers. 

got you, thanks for the clarification.

I would recommend to use PKCE for CSRF prevention and state for representing 
the application state.

best regards,
Torsten.

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